Online College Courses for Credit

Lesson 2.2 (Days 1, 2, 3, & 4)

Lesson 2.2 (Days 1, 2, 3, & 4)

Author: Melinda Hollan

Day 1 Introduction to Functions

Day 2 Piecewise Functions

Day 3 Difference Quotient

Day 4 Linear Regression

See More
Fast, Free College Credit

Developing Effective Teams

Let's Ride
*No strings attached. This college course is 100% free and is worth 1 semester credit.

29 Sophia partners guarantee credit transfer.

310 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.


2.2 Day 1 Introduction to Functions

How do you tell if you have a function or not? We will discuss ways to tell from mapping diagrams, ordered pairs (t-charts), equations, and graphs. Also we will evaluate some functions!

2.2 Day 2 Piecewise Functions

This video will show you how to evaluate and to graph functions that involve 2 or more equations with a specified domain.

2.2 Day 3 Difference Quotient

You will be introduced to the Difference Quotient which is also used in calculus.

2.2 Day 4 Linear Regression

We can make predictions about the future! You will be writing equations based on a set of data and then use them to predict what might happen based on the trend.